Table 8.
Weighted means and standard deviations of socio-demographic variables in the sample
| Mean | SD | |
|---|---|---|
| General health | ||
| Excellent | 0.20 | |
| Very good | 0.34 | |
| Good | 0.28 | |
| Fair | 0.13 | |
| Poor | 0.04 | |
| Socio-demographic variables | ||
| Age | 44.02 | 10.84 |
| Education in years | 13.82 | 3.03 |
| Family income | ||
| Lowest quintile | 0.13 | |
| Second quintile | 0.21 | |
| Third quintile | 0.18 | |
| Fourth quintile | 0.26 | |
| Highest quintile | 0.22 | |
| Employment status (1 = working) | 0.75 | |
| Race/ethnicity | ||
| White | 0.67 | |
| Black | 0.12 | |
| Asian | 0.04 | |
| Hispanic | 0.14 | |
| Other | 0.01 | |
| Gender (1 = male) | 0.49 | |
| Children < age 18 in the household (1 = yes) | 0.44 | |
| Marital status (1 = married) | 0.63 | |
| Sleep time (Divided by 10 min) | 30.76 | 9.93 |
| Any physical/cognitive difficulty (1 = no) | 0.93 | |
| N | 8791 |
Source: The 2010 well-being module of the American Time Use Survey data, own calculation